EP3407095B1 - Canister and canister module - Google Patents
Canister and canister module Download PDFInfo
- Publication number
- EP3407095B1 EP3407095B1 EP16838083.0A EP16838083A EP3407095B1 EP 3407095 B1 EP3407095 B1 EP 3407095B1 EP 16838083 A EP16838083 A EP 16838083A EP 3407095 B1 EP3407095 B1 EP 3407095B1
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- EP
- European Patent Office
- Prior art keywords
- balloon
- housing chamber
- canister
- radiosonde
- main body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01W—METEOROLOGY
- G01W1/00—Meteorology
- G01W1/08—Adaptations of balloons, missiles, or aircraft for meteorological purposes; Radiosondes
Definitions
- the present invention relates to a canister for housing a balloon and a radiosonde and a canister module including a plurality of canisters.
- a balloon-launching device described in Patent Literature 1 includes a turntable that turns in a horizontal plane.
- a plurality of trays are disposed on the turntable and are arranged in the circumferential direction of the turntable.
- a balloon and a radiosonde connected to the balloon are placed on each of the trays. The balloons and the radiosondes placed on the respective trays can be sequentially released by turning the turntable.
- Patent Literature 1 Japanese Patent Laid-OpenNo. 2006-038725 WO 2010/000942 discloses a canister in accordance with the pre-characterising section of claim 1.
- WO 2015/118225 dislcoses an automated balloon launching system for launching at least one balloon such as a meteorological balloon or a radiosonde.
- the at least one box is including a balloon and a sonde.
- a release silo is arranged on top of the container for sheltering the balloon during inflation.
- US 5,884,862 discloses a module for automatically launching a radiosonde balloon having a battery powered radiosonde tethered thereto, the module including a housing for the radiosonde balloon and radiosonde; and an automatic balloon inflation and launch apparatus.
- the present invention provides a canister configured to house a radiosonde and balloon, the canister having a structure different from the balloon-launching device described in Patent Literature 1.
- the present invention also provides a canister module constituted by a plurality of canisters.
- the present invention is a canister configured to house a balloon and a radiosonde to be released into the atmosphere.
- the canister includes a case, a balloon detaching mechanism, and a gas passage.
- the case includes a first housing chamber, a second housing chamber, and a third housing chamber arranged side by side in a horizontal direction.
- the first housing chamber, the second housing chamber, and the third housing chamber are in communication with one another in an upper part of the case.
- the balloon detaching mechanism is connected to the balloon and is configured to detach the balloon when the balloon is released.
- the gas passage is configured to introduce a gas into the balloon to inflate the balloon.
- the balloon detaching mechanism and the gas passage are housed in the second housing chamber.
- the second housing chamber is disposed between the first housing chamber and the third housing chamber.
- the first housing chamber houses the radiosonde connected to the balloon via a rope.
- the third housing chamber houses part of the balloon connected to the balloon detaching mechanism.
- the present invention enables the balloon and the radiosonde to be released into the atmosphere simply by placing the canister. Thus, there is no need to place the turntable described in Patent Literature 1.
- the first housing chamber and the second housing chamber are adjacent to each other in the present invention.
- the radiosonde housed in the first housing chamber is disposed at a position adjacent to the balloon detaching mechanism and the gas passage housed in the second housing chamber . This allows the balloon to ascend at a position close to the radiosonde when the balloon is detached from the balloon detaching mechanism to ascend. Therefore, the radiosonde can smoothly move upwardly from the first housing chamber in the ascending of the balloon.
- the balloon is housed in the third housing chamber separated from the second housing chamber in the present invention. This can prevent the balloon from interfering with the balloon detaching mechanism and the gas passage housed in the second housing chamber when the balloon is inflated.
- the inflated portion would be in intimate contact with the third housing chamber, failing to elevate the balloon. If the balloon starts to inflate from the portion located in the upper part of the third housing chamber as in the present invention, the inflated portion can be prevented from being in intimate contact with the third housing chamber. The balloon can thus ascend smoothly.
- FIG. 1 is a perspective view illustrating an internal structure of the canister.
- An X-axis, a Y-axis, and a Z-axis in FIG. 1 are axes orthogonal to one another.
- the Z-axis is an axis extending in the vertical direction.
- An X-Y plane corresponds to the horizontal plane. The relationships among the X-axis, the Y-axis, and the Z-axis also apply to the other drawings.
- FIG. 2 is a diagram (top view) of the canister as viewed in the direction of an arrow Z1 shown in FIG. 1 .
- FIG. 3 is a diagram (front view) of the canister as viewed in the direction of an arrow X1 shown in FIG. 1 .
- FIG. 4 is a diagram (rear view) of the canister as viewed in the direction of an arrow X2 shown in FIG. 1 .
- the canister 1 includes a case 10.
- the case 10 includes a case main body 11 and a cover 12. As shown in FIG. 2 , an opening 11a is formed in the upper surface of the case main body 11, and the cover 12 opens and closes the opening 11a.
- An axial member 11b is disposed along one side (the side extending in the Y direction) of the opening 11a and fixed to the case main body 11.
- the cover 12 is rotatably attached to the axial member 11b and rotates about the axial member 11b.
- a first partition plate 13 and a second partition plate 14 are disposed inside the case main body 11.
- the first partition plate 13 and the second partition plate 14 are disposed along the X-Z plane and arranged side by side in the Y direction.
- the first partition plate 13 and the second partition plate 14 divide a housing chamber St formed inside the case main body 11 into three housing chambers (a first housing chamber S1, a second housing chamber S2, and a third housing chamber S3).
- the first housing chamber S1 is a space surrounded by the case main body 11 and the first partition plate 13.
- the second housing chamber S2 is a space surrounded by the case main body 11, the first partition plate 13, and the second partition plate 14.
- the second housing chamber S2 is formed between the first partition plate 13 and the second partition plate 14.
- the third housing chamber S3 is a space surrounded by the case main body 11 and the second partition plate 14.
- the first housing chamber S1, the second housing chamber S2, and the third housing chamber S3 are arranged side by side in the Y direction, and the second housing chamber S2 is positioned between the first housing chamber S1 and the third housing chamber S3.
- An upper end 13a (see FIGS. 3 and 4 , for example) of the first partition plate 13 is separated from the cover 12.
- An outer edge of the first partition plate 13, except for the upper end 13a, is in contact with an inner wall surface of the case main body 11.
- An upper end 14a (see FIGS. 3 and 4 , for example) of the second partition plate 14 is separated from the cover 12.
- An outer edge of the second partition plate 14, except for the upper end 14a, is in contact with the inner wall surface of the case main body 11. Due to the upper ends 13a and 14a being separated from the cover 12, the first housing chamber S1, the second housing chamber S2, and the third housing chamber S3 are in communication with one another in an upper part of the case main body 11.
- the case main body 11, the first partition plate 13, and the second partition plate 14 can be formed by separate members, and the first partition plate 13 and the second partition plate 14 can be fixed to the case main body 11.
- at least one of the first partition plate 13 and the second partition plate 14 may be integrally formed with the case main body 11.
- the first housing chamber S1 houses a radiosonde 20, an activation board 30, and a lowering device 40. First, a configuration of the radiosonde 20 will be described.
- the radiosonde 20 includes an antenna 21, a transceiver circuit 22, a sensor 23, a control circuit 24, and a power source 25.
- the antenna 21 is configured to receive radio signals from a ground-based transmitter and is configured to transmit radio signals to a ground-based receiver.
- the transceiver circuit 22 is configured to control the transmitting and receiving of radio signals via the antenna 21.
- the sensor 23 is configured to detect information about the atmosphere. Examples of information about the atmosphere may include atmospheric pressure, atmospheric temperature, humidity, wind direction, wind speed, radiation, ozone concentration, aerosol such as dust, and potential difference in the atmosphere.
- the sensor 23 is selected in accordance with a subject to be detected.
- the control circuit 24 is configured to control operations of the transceiver circuit 22. For example, the control circuit 24 can control the transceiver circuit 22 to transmit information detected by the sensor 23 from the antenna 21.
- the power source 25 is configured to supply power to the transceiver circuit 22, the sensor 23, and the control circuit 24.
- the radiosonde 20 includes a sonde main body 20a and a sensor holder 20b.
- the sonde main body 20a houses the transceiver circuit 22, the control circuit 24, and the power source 25 shown in FIG. 5 .
- the sonde main body 20a may be made of styrene foam or plastic, for example.
- the antenna 21 shown in FIG. 5 projects outward from the sonde main body 20a.
- the sensor holder 20b projects outward from the sonde main body 20a, and the sensor 23 shown in FIG. 5 is attached to the sensor holder 20b. Note that the sensor 23 may be attached to the sonde main body 20a depending on the type of the sensor 23.
- the sensor holder 20b is an elongated member and capable of easily bending.
- the activation board 30 is fixed to the first housing chamber S1 (i.e., the case main body 11 and the first partition plate 13) .
- the activation board 30 is connected to a control device (not shown) provided outside the canister 1 via wiring (not shown).
- the activation board 30 activates the radiosonde 20 in response to a control signal received from the control device.
- the radiosonde 20 can be activated by an activation signal output from the activation board 30.
- the activation of the radiosonde 20 causes power from the power source 25 to be supplied to the control circuit 24, etc., as shown in FIG. 5 .
- a notch (not shown) extending in the Z direction is formed in the bottom of the sonde main body 20a, and the activation board 30 is inserted into the notch. Due to part of the activation board 30 being inserted into the notch of the sonde main body 20a, the activation board 30 can communicate with the control circuit 24 in the sonde main body 20a.
- the activation board 30 is slidably attached to the sonde main body 20a. This allows the sonde main body 20a to ascend while sliding against the activation board 30 when the radiosonde 20 is released into the atmosphere as will be described later.
- FIG. 6 is a diagram (side view) of the first housing chamber S1 as viewed in the Y direction. In other words, FIG. 6 is a diagram of the first housing chamber S1 as viewed from the case main body 11 side toward the first partition plate 13 side.
- part of the notch 53a is formed along the outer surface of the sonde main body 20a and is in contact with the sonde main body 20a.
- the notch 53a interposes the sonde main body 20a in the X direction, thus positioning the radiosonde 20 in the X direction.
- the sonde main body 20a ascends along the notch 53a.
- the sensor holder 20b is disposed between the pair of guide plates 53. Accordingly, the sensor holder 20b moves between the pair of guide plates 53 when the radiosonde 20 is released into the atmosphere, thus preventing its interference with the guide plates 53.
- the provision of the pair of guide plates 53 enables the stable support of the sonde main body 20a. Note that the number of the guide plates 53 can be appropriately determined. Only one guide plate 53 may be provided, for example.
- the positioning of the sonde main body 20a in the X-Y plane can be achieved by bringing the guide ribs 51 and 52 and the notches 53a of the guide plates 53 into contact with the sonde main body 20a. Moreover, the sonde main body 20a can move along the guide ribs 51 and 52 and the notches 53a, thereby allowing the sonde main body 20a to smoothly ascend when the radiosonde 20 is released into the atmosphere.
- the other end of the lowering device 40 is provided with a delay portion 42, and the rope is also wound around the delay portion 42. While the rope wound around the lowering device 40 is unwound when the balloon ascends, the delay portion 42 delays the speed at which the rope is unwound.
- the delay portion 42 can be made of a rubber tube, for example, and frictional resistance between the delay portion 42 and the rope can delay the speed at which the rope is unwound.
- the use of the lowering device 40 allows a distance between the balloon and the radiosonde 20 to change after the launch of the balloon. More specifically, when the altitude of the balloon (distance from the ground to the balloon) is lower than a predetermined altitude, the rope is kept wound around the lowering device 40. This allows the distance between the balloon and the radiosonde 20 to be a predetermined distance. On the other hand, when the altitude of the balloon is equal to or higher than the predetermined altitude, the rope is unwound from the lowering device 40. This allows the distance between the balloon and the radiosonde 20 to be greater than the predetermined distance.
- the second housing chamber S2 houses a cover opening and closing mechanism 60 and a balloon detaching mechanism 70.
- a structure of the cover opening and closing mechanism 60 will be described first.
- the cover opening and closing mechanism 60 opens and closes the cover 12 with respect to the opening 11a of the case main body 11.
- cover opening and closing mechanism 60 there is no need to provide the cover opening and closing mechanism 60 when the cover 12 is omitted as described above.
- the cover opening and closing mechanism 60 opens and closes the cover 12 in this embodiment, an operator may open and close the cover 12 by hand.
- the cover opening and closing mechanism 60 can be omitted also in such a case.
- the cover opening and closing mechanism 60 includes an actuator 61 and a rod 62.
- the actuator 61 is configured to move the rod 62 in the Z direction.
- Examples of the actuator 61 that can be employed may include an air cylinder and a hydraulic cylinder.
- the actuator 61 extends in the Z direction and passess through the bottom surface of the second housing chamber S2 (case main body 11).
- a supply device for supplying fluid (air or oil) to the actuator 61 is disposed outside the canister 1.
- the supply device is connected to an end of the actuator 61 passing through the bottom surface of the second housing chamber S2 (case main body 11). Supplying a fluid to the actuator 61 from the supply device can drive the actuator 61 to move the rod 62 in the Z direction (upwardly or downwardly) .
- an air cylinder is employed as the actuator 61
- air is used as the fluid.
- a hydraulic cylinder is employed as the actuator 61
- oil is used as the fluid.
- the rod 62 extends upwardly (in the Z direction) from the actuator 61.
- One ends of linkage members 64 are connected to a tip of the rod 62 via an axial member 63a.
- the linkage members 64 can rotate about the axial member 63a relative to the tip of the rod 62.
- the other ends of the linkage members 64 are connected to a support portion 12a provided in the cover 12 via an axial member 63b.
- the linkage members 64 can rotate about the axial member 63b relative to the support portion 12a.
- the support portion 12a projects from the cover 12.
- the support portion 12a projects downwardly with the opening 11a being closed by the cover 12.
- FIG. 7 shows a state in which the cover 12 closes the opening 11a.
- FIG. 7 is a diagram (side view) of the second housing chamber S2 as viewed in the Y direction.
- FIG. 7 is a diagram of the second housing chamber S2 as viewed from the second partition plate 14 side toward the first partition plate 13 side.
- the cover 12 moves downwardly via the linkage members 64 and the support portion 12a. This causes the cover 12 to rotate about the axial member 11b, thus closing the opening 11a and obtaining the state shown in FIG. 7 .
- the cover 12 can be switched between the state shown in FIG. 7 and the state shown in FIG. 8 as described above.
- the actuator 61 is not limited thereto. More specifically, any actuator can be employed as the actuator 61 as long as the actuator 61 is capable of moving the rod 62 upwardly or downwardly.
- a motor can be employed as the actuator 61. In such a case, the rotational motion of the motor can be converted into the rectilinear motion of the rod 62 in the Z direction by employing a rack and pinion mechanism.
- FIG. 9 is a diagram corresponding to FIG. 7 and illustrates a cross section of the balloon detaching mechanism 70.
- the balloon detaching mechanism 70 is configured to detach the balloon from the canister 1 when the balloon is released into the atmosphere.
- a fixing member 71 is fixed to the bottom surface of the second housing chamber S2 (case main body 11).
- the fixing member 71 is connected to a movable member 72 via an axial member 71a.
- the movable member 72 rotates about the axial member 71a.
- An opening 11c is formed in the bottom surface of the second housing chamber S2 (case main body 11).
- the opening 11c is positioned below the movable member 72.
- a drive pin 81 is disposed inside the opening 11c.
- the drive pin 81 can move in the Z direction (upwardly or downwardly) .
- An actuator (not shown) is connected to the drive pin 81.
- the drive pin 81 is configured to move in the Z direction by receiving power from the actuator.
- the movable member 72 is connected to a pair of linkage members 73 via an axial member 72a. Specifically, lower ends of the pair of linkage members 73 are connected to respective both ends of the movable member 72 in the Y direction via the axial member 72a as shown in FIGS. 3 and 4 .
- Each of the linkage members 73 extends in the Z direction. Upper ends of the linkage members 73 are fixed to a holder 74 via afixingpin 73a.
- the holder 74 is constituted by a pair of sub-holders 74a and 74b, and the sub-holders 74a and 74b are fixed to each other.
- the pair of sub-holders 74a and 74b engage with a movable portion 75a of a coupler 75.
- the pair of sub-holders 74a and 74b are disposed along an outer periphery of the movable portion 75a and interposes the movable portion 75a in the Z direction.
- the movable portion 75a of the coupler 75 is movable in the Z direction relative to a coupler main body 75b.
- a lower end of the coupler main body 75b is provided with a male connecting portion 75c, and an upper end of the coupler main body 75b is provided with a female connecting portion 75d.
- the male connecting portion 75c is connected to a hose 82 by being inserted into one end of the hose 82.
- the other end of the hose 82 is connected to a gas nozzle 83 described later.
- a male connecting portion 91a formed in a mouthpiece 91 is inserted into the female connecting portion 75d.
- the male connecting portion 91a of the mouthpiece 91 is connected to the female connecting portion 75d of the coupler 75.
- the movable portion 75a can move downwardly from the connected position.
- the male connecting portion 91a of the mouthpiece 91 can be removed from the female connecting portion 75d of the coupler 75.
- a mouth of the balloon is fixed to a fixing portion 91b of the mouthpiece 91.
- the support member 76 includes a fixing portion 76a and a frame portion 76b.
- the fixing portion 76a is fixed to the coupler main body 75b.
- the frame portion 76b supports the fixing portion 76a and part of the frame portion 76b is fixed to a side surface of the second housing chamber S2 (case main body 11). The provision of the support member 76 enables stable support of the coupler 75.
- the mouthpiece 91 is provided with a fastening portion 91c.
- One end of the rope extending from the fastening portion 41 of the lowering device 40 is fixed to the fastening portion 91c.
- the male connecting portion 91a of the mouthpiece 91 is connected to the female connecting portion 75d of the coupler 75.
- the drive pin 81 is separated from an actuating portion 72b of the movable member 72.
- the movable portion 75a of the coupler 75 moves downwardly along with the downward movement of the holder 74. This can cause the movable portion 75a to move from the connected position to the released position, thereby removing the male connecting portion 91a of the mouthpiece 91 from the female connecting portion 75d of the coupler 75.
- the mouthpiece 91 moves upwardly (direction of an arrow D13 shown in FIG. 9 ) and is thus separated from the coupler 75 as the balloon ascends. In this manner, the balloon is detached from the canister 1.
- the gas nozzle 83 is fixed to the bottom surface of the second housing chamber S2 (case main body 11).
- the gas nozzle 83 passes through the bottom surface of the second housing chamber S2 (case main body 11) with an upper end 83a of the gas nozzle 83 being disposed in the second housing chamber S2 and a lower end 83b of the gas nozzle 83 being disposed outside the case main body 11.
- the upper end 83a of the gas nozzle 83 is connected to the other end of the hose 82.
- the gas nozzle 83 is thus connected to the male connecting portion 75c of the coupler 75 via the hose 82.
- the lower end 83b of the gas nozzle 83 is connected to a gas cylinder (not shown) via a gas supply pipe (not shown).
- the gas cylinder contains a gas for inflating the balloon.
- the gas contained in the gas cylinder is introduced into the coupler 75 after moving through the gas supply pipe and then moving through a gas passage formed inside the gas nozzle 83 and the hose 82. Thereafter, the gas moves through a gas passage formed inside the coupler 75 and a gas passage formed inside the mouthpiece 91, and then moves into the balloon. This can inflate the balloon.
- the gas filled into the balloon is a gas having a specific gravity smaller than that of air. Examples of such a gas that can be employed may include a hydrogen gas and a helium gas.
- the balloon can be made of an elastic material.
- the third housing chamber S3 houses part of a balloon 92.
- a mouth 92a of the balloon 92 is fixed to the fixing portion 91b of the mouthpiece 91.
- the balloon 92 is led into the third housing chamber S3 after passing through a space above the second partition plate 14.
- the balloon 92 is folded in the third housing chamber S3, and a tip 92b of the balloon 92 is present at the lowest position in the third housing chamber S3.
- Housing the balloon 92 in the third housing chamber S3 as shown in FIG. 10 facilitates the inflation of the balloon 92 when the gas is filled into the balloon 92. This will be described below.
- the gas When the gas is filled into the balloon 92 from the mouthpiece 91, the gas moves upwardly due to its specific gravity smaller than that of air. Thus, a portion of the balloon 92 adjacent to the mouthpiece 91 is inflated by the gas filling. If the gas filling continues, the balloon 92 continues to inflate above the mouthpiece 91 as shown in FIG. 11 .
- the inflation of the balloon 92 causes a portion (uninflated portion) of the balloon 92 housed in the third housing chamber S3 to lift upwardly. In this manner, the uninflated portion of the balloon 92 can smoothly move to the outside of the third housing chamber S3.
- the balloon 92 started to inflate from a portion located in a lower part of the third housing chamber S3, the inflated portion would be in tightly contact with an inner wall surface of the third housing chamber S3. In this case, frictional resistance between the inflated portion of the balloon 92 and the third housing chamber S3 prevents the balloon 92 from ascending. Moreover, the friction between the balloon 92 and the third housing chamber S3 may damage the balloon 92.
- the balloon 92 starts to inflate from a portion located in an upper part of the third housing chamber S3 as in this embodiment, the inflated portion can be prevented from being in tightly contact with the inner wall surface of the third housing chamber S3. The balloon 92 can thus ascend smoothly.
- the second housing chamber S2 and the third housing chamber S3 are separated from each other in this embodiment.
- the balloon 92 can thus be prevented from interfering with the members (such as the cover opening and closing mechanism 60 and the balloon detaching mechanism 70) disposed in the second housing chamber S2 when the balloon 92 is inflated.
- disposing the balloon detaching mechanism 70 in the second housing chamber S2 allows the balloon 92 to inflate above the second housing chamber S2 as shown in FIG. 11 .
- housing the radiosonde 20 in the first housing chamber S1 which is adjacent to the second housing chamber S2, allows the radiosonde 20 and the balloon 92 to ascend smoothly with the radiosonde 20 being close to the balloon 92. This will be specifically described below.
- the balloon detaching mechanism 70 is disposed in the third housing chamber S3 and the balloon 92 is housed in the second housing chamber S2 will now be discussed.
- the balloon 92 inflates above the third housing chamber S3 and moves toward directly above the third housing chamber S3.
- the radiosonde 20 is connected to the balloon 92 by a rope 93.
- the balloon 92 ascends in the direction of an arrow D21 as shown in FIG. 12
- the radiosonde 20 housed in the first housing chamber S1 is pulled toward the third housing chamber S3 as indicated by an arrow D22, making it difficult to move upwardly.
- the radiosonde 20 cannot ascend smoothly.
- the radiosonde 20 may be pulled in the direction of the arrow D22 until just before the radiosonde 20 is moved to the outside of the first housing chamber S1. In such a case, the radiosonde 20 swings by receiving acting force in the direction of the arrow D22 after the radiosonde 20 is moved to the outside of the first housing chamber S1. The swing of the radiosonde 20 leads to the swing of the balloon 92. Thus, the balloon 92 and the radiosonde 20 cannot ascend in a stable manner.
- the balloon 92 inflates above the second housing chamber S2 and the balloon 92 moves toward directly above the second housing chamber S2. Since the radiosonde 20 is housed in the first housing chamber S1 adjacent to the second housing chamber S2, the radiosonde 20 is more likely to be pulled upwardly as indicated by an arrow D32 when the balloon 92 ascends in the direction of an arrow D31 as shown in FIG. 13 . The radiosonde 20 can thus ascend smoothly.
- a plurality of canisters 1 are arranged in a matrix within a horizontal plane.
- the number of the canisters 1 can be appropriately selected.
- the arrangement of the plurality of canisters 1 is not limited thereto. In other words, it is only required to arrange the plurality of canisters 1 within a horizontal plane and the arrangement of the plurality of canisters 1 can be determined as appropriate.
- the canister module 100 includes a canister holder 200 configured to hold the plurality of canisters 1.
- the canister holder 200 includes: a fixing plate 210 to which the canisters 1 are fixed; a frame 220 disposed below the fixing plate 210; and a base 230.
- Openings 211 for the canisters 1 to pass through are formed in the fixing plate 210.
- the openings 211 are formed corresponding to the number of the canisters 1.
- the plurality of canisters 1 may be disposed inside a single opening 211.
- the frame 220 is provided between the fixing plate 210 and the base 230.
- the canisters 1 are disposed at positions above and distant from the base 230.
- Gas supply valves 300 and supply pipes 400 are disposed on the base 230.
- Gas nozzles 310 are provided on upper end faces of the gas supply valves 300, and a hose (not shown) is connected to the gas nozzle 310 and the gas nozzle 83 of the canister 1.
- the gas supply valve 300 is configured to control the amount of the gas supplied to the gas nozzle 83 of the canister 1.
- the supply pipe 400 is used to supply a fluid (air or oil) to the actuator 61 of the canister 1.
- the supply pipe 400 is connected to the actuator 61 of the canister 1.
- the use of the canister module 100 allows a plurality of balloons 92 to be released from a plurality of canisters 1. Moreover, the plurality of canisters 1 can be arranged together in the canister module 100. Thus, the size of the balloon-launching device can be reduced as compared to a case where a plurality of balloons are arranged on an annular turntable as in the conventional technique (Patent Literature 1). In the annular turntable, a central portion of the turntable is left as dead space. However, in the canister module 100, the plurality of canisters 1 can be arranged adjacent to one another, thus being less likely to create dead space. Therefore, the canister module 100 can be downsized in this embodiment.
Description
- The present invention relates to a canister for housing a balloon and a radiosonde and a canister module including a plurality of canisters.
- A balloon-launching device described in
Patent Literature 1 includes a turntable that turns in a horizontal plane. A plurality of trays are disposed on the turntable and are arranged in the circumferential direction of the turntable. A balloon and a radiosonde connected to the balloon are placed on each of the trays. The balloons and the radiosondes placed on the respective trays can be sequentially released by turning the turntable. - Patent Literature 1: Japanese Patent Laid-OpenNo.
2006-038725 WO 2010/000942 discloses a canister in accordance with the pre-characterising section ofclaim 1. -
WO 2015/118225 dislcoses an automated balloon launching system for launching at least one balloon such as a meteorological balloon or a radiosonde. The system is comprising a container and a storage arranged in the container for storing at least one box at a defined storage position p = 1, 2, n. The at least one box is including a balloon and a sonde. A release silo is arranged on top of the container for sheltering the balloon during inflation. -
US 5,884,862 discloses a module for automatically launching a radiosonde balloon having a battery powered radiosonde tethered thereto, the module including a housing for the radiosonde balloon and radiosonde; and an automatic balloon inflation and launch apparatus. - The present invention provides a canister configured to house a radiosonde and balloon, the canister having a structure different from the balloon-launching device described in
Patent Literature 1. The present invention also provides a canister module constituted by a plurality of canisters. - The present invention is a canister configured to house a balloon and a radiosonde to be released into the atmosphere. The canister includes a case, a balloon detaching mechanism, and a gas passage. The case includes a first housing chamber, a second housing chamber, and a third housing chamber arranged side by side in a horizontal direction. The first housing chamber, the second housing chamber, and the third housing chamber are in communication with one another in an upper part of the case. The balloon detaching mechanism is connected to the balloon and is configured to detach the balloon when the balloon is released. The gas passage is configured to introduce a gas into the balloon to inflate the balloon.
- The balloon detaching mechanism and the gas passage are housed in the second housing chamber. The second housing chamber is disposed between the first housing chamber and the third housing chamber. The first housing chamber houses the radiosonde connected to the balloon via a rope. The third housing chamber houses part of the balloon connected to the balloon detaching mechanism.
- The present invention enables the balloon and the radiosonde to be released into the atmosphere simply by placing the canister. Thus, there is no need to place the turntable described in
Patent Literature 1. - Moreover, the first housing chamber and the second housing chamber are adjacent to each other in the present invention. Thus, the radiosonde housed in the first housing chamber is disposed at a position adjacent to the balloon detaching mechanism and the gas passage housed in the second housing chamber . This allows the balloon to ascend at a position close to the radiosonde when the balloon is detached from the balloon detaching mechanism to ascend. Therefore, the radiosonde can smoothly move upwardly from the first housing chamber in the ascending of the balloon.
- If the position at which the balloon starts to ascend is distant from the radiosonde, the radiosonde is pulled in a direction different from the upward direction (i.e., the direction where the balloon is located) in the ascending of the balloon. It is therefore difficult for the radiosonde to smoothly move upwardly. The present invention facilitates the transmission of force generated by the ascending of the balloon (force heading upwardly) to the radiosonde, and the radiosonde can thus smoothly move upwardly.
- Furthermore, the balloon is housed in the third housing chamber separated from the second housing chamber in the present invention. This can prevent the balloon from interfering with the balloon detaching mechanism and the gas passage housed in the second housing chamber when the balloon is inflated.
- The part of the balloon is housed from an upper part of the third housing chamber toward a lower part thereof. Here, the part of the balloon housed in the third housing chamber can be folded in a vertical direction. When a gas from the gas passage is filled into the balloon, the balloon inflates and ascends. Since the balloon is housed in the folded state from the upper part of the third housing chamber toward the lower part thereof, the balloon can start to inflate from a portion located in the upper part of the third housing chamber. The balloon can thus ascend smoothly.
- If the balloon started to inflate from a portion located in the lower part of the third housing chamber, the inflated portion would be in intimate contact with the third housing chamber, failing to elevate the balloon. If the balloon starts to inflate from the portion located in the upper part of the third housing chamber as in the present invention, the inflated portion can be prevented from being in intimate contact with the third housing chamber. The balloon can thus ascend smoothly.
- The gas passage includes a coupler. The coupler can be connected to a mouthpiece provided in a mouth of the balloon and includes a movable member. The movable member is configured to move between a connected position for connecting the mouthpiece to the coupler and a released position for releasing the connection between the mouthpiece and the coupler. The balloon detaching mechanism includes a linkage member connected to the movable member of the coupler. The linkage member is configured to move the movable member between the connected position and the released position. The balloon can be detached from the balloon detaching mechanism by driving the linkage member.
- The case can be constituted by a case main body and a cover. The case main body forms the first housing chamber, the second housing chamber, and the third housing chamber. The cover opens and closes an opening formed in an upper part of the case main body. If not releasing the balloon and radiosonde into the atmosphere, the cover is closed. It is able to prevent foreign objects, or the like, from entering into the case main body.
- The second housing chamber can house a cover opening and closing mechanism for opening and closing the cover. The cover opening and closing mechanism can be constituted by a rod connected to the cover and an actuator configured to move the rod in the vertical direction. The cover can be opened by driving the actuator to move the rod upwardly. In contrast, the cover can be closed by driving the actuator to move the rod downwardly.
- An inner wall surface of the first housing chamber can be provided with a guide portion configured to extend in the vertical direction for guiding the ascending of the radiosonde. This allows the radiosonde to move along the guide portion, and the radiosonde can thus ascend smoothly. Moreover, the positioning of the radiosonde can be achieved in the first housing chamber by making the guide portion in contact with the radiosonde when the radiosonde is housed in the first housing chamber.
- A canister module can be formed by preparing a plurality of canisters of the present invention. Here, the plurality of canisters can be arranged within a horizontal plane. In the canister module of the present invention, the plurality of canisters can be disposed together. Thus, the creation of dead space can be reduced as compared to the turntable described in
Patent Literature 1. -
-
FIG. 1 is a perspective view illustrating an internal structure of a canister. -
FIG. 2 is a top view of the canister. -
FIG. 3 is a front view of the canister. -
FIG. 4 is a rear view of the canister. -
FIG. 5 is a diagram showing a circuit configuration of a radiosonde. -
FIG. 6 is a side view of a first housing chamber. -
FIG. 7 is a side view of a second housing chamber illustrating a state in which a cover is closed. -
FIG. 8 is a side view of the second housing chamber illustrating a state in which the cover is opened. -
FIG. 9 is a diagram illustrating a structure of a balloon detaching mechanism. -
FIG. 10 is a diagram illustrating a state in which a balloon is housed. -
FIG. 11 is a diagram illustrating a state in which the balloon starts to inflate. -
FIG. 12 is a diagram for explaining the movement of the radiosonde along with the ascending of the balloon in a comparative example. -
FIG. 13 is a diagram for explaining the movement of the radiosonde along with the ascending of the balloon in this embodiment. -
FIG. 14 is a perspective view of a canister module. -
FIG. 15 is a side view of the canister module. - Embodiments of the present invention will be described. A canister of this embodiment houses a balloon and a sonde attached to the balloon.
-
FIG. 1 is a perspective view illustrating an internal structure of the canister. An X-axis, a Y-axis, and a Z-axis inFIG. 1 are axes orthogonal to one another. In this embodiment, the Z-axis is an axis extending in the vertical direction. An X-Y plane corresponds to the horizontal plane. The relationships among the X-axis, the Y-axis, and the Z-axis also apply to the other drawings. -
FIG. 2 is a diagram (top view) of the canister as viewed in the direction of an arrow Z1 shown inFIG. 1 .FIG. 3 is a diagram (front view) of the canister as viewed in the direction of an arrow X1 shown inFIG. 1 .FIG. 4 is a diagram (rear view) of the canister as viewed in the direction of an arrow X2 shown inFIG. 1 . - The
canister 1 includes acase 10. Thecase 10 includes a casemain body 11 and acover 12. As shown inFIG. 2 , anopening 11a is formed in the upper surface of the casemain body 11, and thecover 12 opens and closes theopening 11a. Anaxial member 11b is disposed along one side (the side extending in the Y direction) of theopening 11a and fixed to the casemain body 11. Thecover 12 is rotatably attached to theaxial member 11b and rotates about theaxial member 11b. - Although the
cover 12 is provided in this embodiment, thecover 12 may be omitted. Note however that such provision of thecover 12 as in this embodiment can prevent foreign objects, or the like, from entering into the casemain body 11. - A
first partition plate 13 and asecond partition plate 14 are disposed inside the casemain body 11. Thefirst partition plate 13 and thesecond partition plate 14 are disposed along the X-Z plane and arranged side by side in the Y direction. Thefirst partition plate 13 and thesecond partition plate 14 divide a housing chamber St formed inside the casemain body 11 into three housing chambers (a first housing chamber S1, a second housing chamber S2, and a third housing chamber S3). - The first housing chamber S1 is a space surrounded by the case
main body 11 and thefirst partition plate 13. The second housing chamber S2 is a space surrounded by the casemain body 11, thefirst partition plate 13, and thesecond partition plate 14. The second housing chamber S2 is formed between thefirst partition plate 13 and thesecond partition plate 14. The third housing chamber S3 is a space surrounded by the casemain body 11 and thesecond partition plate 14. In this embodiment, the first housing chamber S1, the second housing chamber S2, and the third housing chamber S3 are arranged side by side in the Y direction, and the second housing chamber S2 is positioned between the first housing chamber S1 and the third housing chamber S3. - An
upper end 13a (seeFIGS. 3 and4 , for example) of thefirst partition plate 13 is separated from thecover 12. An outer edge of thefirst partition plate 13, except for theupper end 13a, is in contact with an inner wall surface of the casemain body 11. Anupper end 14a (seeFIGS. 3 and4 , for example) of thesecond partition plate 14 is separated from thecover 12. An outer edge of thesecond partition plate 14, except for theupper end 14a, is in contact with the inner wall surface of the casemain body 11. Due to the upper ends 13a and 14a being separated from thecover 12, the first housing chamber S1, the second housing chamber S2, and the third housing chamber S3 are in communication with one another in an upper part of the casemain body 11. - The case
main body 11, thefirst partition plate 13, and thesecond partition plate 14 can be formed by separate members, and thefirst partition plate 13 and thesecond partition plate 14 can be fixed to the casemain body 11. Alternatively, at least one of thefirst partition plate 13 and thesecond partition plate 14 may be integrally formed with the casemain body 11. - An internal structure of the first housing chamber S1 will be described next. The first housing chamber S1 houses a
radiosonde 20, anactivation board 30, and a loweringdevice 40. First, a configuration of theradiosonde 20 will be described. - As shown in
FIG. 5 , theradiosonde 20 includes anantenna 21, atransceiver circuit 22, asensor 23, acontrol circuit 24, and apower source 25. Theantenna 21 is configured to receive radio signals from a ground-based transmitter and is configured to transmit radio signals to a ground-based receiver. Thetransceiver circuit 22 is configured to control the transmitting and receiving of radio signals via theantenna 21. - The
sensor 23 is configured to detect information about the atmosphere. Examples of information about the atmosphere may include atmospheric pressure, atmospheric temperature, humidity, wind direction, wind speed, radiation, ozone concentration, aerosol such as dust, and potential difference in the atmosphere. Thesensor 23 is selected in accordance with a subject to be detected. Thecontrol circuit 24 is configured to control operations of thetransceiver circuit 22. For example, thecontrol circuit 24 can control thetransceiver circuit 22 to transmit information detected by thesensor 23 from theantenna 21. Thepower source 25 is configured to supply power to thetransceiver circuit 22, thesensor 23, and thecontrol circuit 24. - As shown in
FIG. 2 , for example, theradiosonde 20 includes a sondemain body 20a and asensor holder 20b. The sondemain body 20a houses thetransceiver circuit 22, thecontrol circuit 24, and thepower source 25 shown inFIG. 5 . In order to reduce the weight of theradiosonde 20, the sondemain body 20a may be made of styrene foam or plastic, for example. Theantenna 21 shown inFIG. 5 projects outward from the sondemain body 20a. - The
sensor holder 20b projects outward from the sondemain body 20a, and thesensor 23 shown inFIG. 5 is attached to thesensor holder 20b. Note that thesensor 23 may be attached to the sondemain body 20a depending on the type of thesensor 23. Thesensor holder 20b is an elongated member and capable of easily bending. - The
activation board 30 is fixed to the first housing chamber S1 (i.e., the casemain body 11 and the first partition plate 13) . Theactivation board 30 is connected to a control device (not shown) provided outside thecanister 1 via wiring (not shown). Theactivation board 30 activates theradiosonde 20 in response to a control signal received from the control device. Through wired or wireless connection between theactivation board 30 and theradiosonde 20, theradiosonde 20 can be activated by an activation signal output from theactivation board 30. The activation of theradiosonde 20 causes power from thepower source 25 to be supplied to thecontrol circuit 24, etc., as shown inFIG. 5 . - A notch (not shown) extending in the Z direction is formed in the bottom of the sonde
main body 20a, and theactivation board 30 is inserted into the notch. Due to part of theactivation board 30 being inserted into the notch of the sondemain body 20a, theactivation board 30 can communicate with thecontrol circuit 24 in the sondemain body 20a. Theactivation board 30 is slidably attached to the sondemain body 20a. This allows the sondemain body 20a to ascend while sliding against theactivation board 30 when theradiosonde 20 is released into the atmosphere as will be described later. - An inner wall surface of the first housing chamber S1 is provided with
guide ribs guide rib 51 is formed on thefirst partition plate 13 and extends in the Z direction. Theguide rib 52 is formed on a side surface of the casemain body 11 facing thefirst partition plate 13 in the Y direction and extends in the Z direction. Tips of theguide ribs main body 20a, thus positioning theradiosonde 20 in the Y direction. - A pair of
guide plates 53 are disposed in the first housing chamber S1. Theguide plates 53 are disposed along the X-Z plane, and the pair ofguide plates 53 are arranged side by side in the Y direction. As shown inFIG. 6 , theguide plate 53 includes anotch 53a.FIG. 6 is a diagram (side view) of the first housing chamber S1 as viewed in the Y direction. In other words,FIG. 6 is a diagram of the first housing chamber S1 as viewed from the casemain body 11 side toward thefirst partition plate 13 side. - As shown in
FIG. 6 , part of thenotch 53a is formed along the outer surface of the sondemain body 20a and is in contact with the sondemain body 20a. Thenotch 53a interposes the sondemain body 20a in the X direction, thus positioning theradiosonde 20 in the X direction. When theradiosonde 20 is released into the atmosphere, the sondemain body 20a ascends along thenotch 53a. - As shown in
FIG. 2 , for example, thesensor holder 20b is disposed between the pair ofguide plates 53. Accordingly, thesensor holder 20b moves between the pair ofguide plates 53 when theradiosonde 20 is released into the atmosphere, thus preventing its interference with theguide plates 53. The provision of the pair ofguide plates 53 enables the stable support of the sondemain body 20a. Note that the number of theguide plates 53 can be appropriately determined. Only oneguide plate 53 may be provided, for example. - In this embodiment, the positioning of the sonde
main body 20a in the X-Y plane can be achieved by bringing theguide ribs notches 53a of theguide plates 53 into contact with the sondemain body 20a. Moreover, the sondemain body 20a can move along theguide ribs notches 53a, thereby allowing the sondemain body 20a to smoothly ascend when theradiosonde 20 is released into the atmosphere. - A structure of the lowering
device 40 will be described next. - A rope (not shown) for hanging the
radiosonde 20 from the balloon is wound around the loweringdevice 40. One end of the rope is fixed to the balloon, and the other end of the rope is fixed to theradiosonde 20. One end of the loweringdevice 40 is provided with afastening portion 41 for fastening the rope. One end of the rope extending from thefastening portion 41 is fixed to the balloon. The other end side of the rope extending from thefastening portion 41 is wound around an outer periphery of the loweringdevice 40, and the other end of the rope is fixed to theradiosonde 20. For example, the other end side of the rope may be wound around and fixed to theradiosonde 20. - The other end of the lowering
device 40 is provided with adelay portion 42, and the rope is also wound around thedelay portion 42. While the rope wound around the loweringdevice 40 is unwound when the balloon ascends, thedelay portion 42 delays the speed at which the rope is unwound. Thedelay portion 42 can be made of a rubber tube, for example, and frictional resistance between thedelay portion 42 and the rope can delay the speed at which the rope is unwound. - The use of the lowering
device 40 allows a distance between the balloon and theradiosonde 20 to change after the launch of the balloon. More specifically, when the altitude of the balloon (distance from the ground to the balloon) is lower than a predetermined altitude, the rope is kept wound around the loweringdevice 40. This allows the distance between the balloon and theradiosonde 20 to be a predetermined distance. On the other hand, when the altitude of the balloon is equal to or higher than the predetermined altitude, the rope is unwound from the loweringdevice 40. This allows the distance between the balloon and theradiosonde 20 to be greater than the predetermined distance. - An internal structure of the second housing chamber S2 will be described next. The second housing chamber S2 houses a cover opening and
closing mechanism 60 and aballoon detaching mechanism 70. A structure of the cover opening andclosing mechanism 60 will be described first. The cover opening andclosing mechanism 60 opens and closes thecover 12 with respect to theopening 11a of the casemain body 11. - Note that there is no need to provide the cover opening and
closing mechanism 60 when thecover 12 is omitted as described above. Although the cover opening andclosing mechanism 60 opens and closes thecover 12 in this embodiment, an operator may open and close thecover 12 by hand. The cover opening andclosing mechanism 60 can be omitted also in such a case. - The cover opening and
closing mechanism 60 includes anactuator 61 and arod 62. Theactuator 61 is configured to move therod 62 in the Z direction. Examples of theactuator 61 that can be employed may include an air cylinder and a hydraulic cylinder. Theactuator 61 extends in the Z direction and passess through the bottom surface of the second housing chamber S2 (case main body 11). - A supply device for supplying fluid (air or oil) to the
actuator 61 is disposed outside thecanister 1. The supply device is connected to an end of theactuator 61 passing through the bottom surface of the second housing chamber S2 (case main body 11). Supplying a fluid to the actuator 61 from the supply device can drive theactuator 61 to move therod 62 in the Z direction (upwardly or downwardly) . When an air cylinder is employed as theactuator 61, air is used as the fluid. When a hydraulic cylinder is employed as theactuator 61, oil is used as the fluid. - The
rod 62 extends upwardly (in the Z direction) from theactuator 61. One ends oflinkage members 64 are connected to a tip of therod 62 via anaxial member 63a. Thelinkage members 64 can rotate about theaxial member 63a relative to the tip of therod 62. The other ends of thelinkage members 64 are connected to asupport portion 12a provided in thecover 12 via anaxial member 63b. Thelinkage members 64 can rotate about theaxial member 63b relative to thesupport portion 12a. Thesupport portion 12a projects from thecover 12. Thesupport portion 12a projects downwardly with theopening 11a being closed by thecover 12. -
FIG. 7 shows a state in which thecover 12 closes theopening 11a.FIG. 7 is a diagram (side view) of the second housing chamber S2 as viewed in the Y direction. In other words,FIG. 7 is a diagram of the second housing chamber S2 as viewed from thesecond partition plate 14 side toward thefirst partition plate 13 side. - When the
actuator 61 is driven to move therod 62 upwardly in the state shown inFIG. 7 , thecover 12 moves upwardly via thelinkage members 64 and thesupport portion 12a. This causes thecover 12 to rotate about theaxial member 11b, thus opening theopening 11a and obtaining a state shown inFIG. 8 . The provision of thelinkage members 64 in this embodiment allows thecover 12 to rotate to a position for avoiding interference with theradiosonde 20 and the balloon described later as shown inFIG. 8 . - On the other hand, when the
actuator 61 is driven to move therod 62 downwardly in the state shown inFIG. 8 , thecover 12 moves downwardly via thelinkage members 64 and thesupport portion 12a. This causes thecover 12 to rotate about theaxial member 11b, thus closing theopening 11a and obtaining the state shown inFIG. 7 . Thecover 12 can be switched between the state shown inFIG. 7 and the state shown inFIG. 8 as described above. - Although an air cylinder or a hydraulic cylinder is employed as the
actuator 61 in this embodiment, theactuator 61 is not limited thereto. More specifically, any actuator can be employed as theactuator 61 as long as theactuator 61 is capable of moving therod 62 upwardly or downwardly. For example, a motor can be employed as theactuator 61. In such a case, the rotational motion of the motor can be converted into the rectilinear motion of therod 62 in the Z direction by employing a rack and pinion mechanism. - A structure of the
balloon detaching mechanism 70 will next be described mainly with reference toFIG. 9. FIG. 9 is a diagram corresponding toFIG. 7 and illustrates a cross section of theballoon detaching mechanism 70. Theballoon detaching mechanism 70 is configured to detach the balloon from thecanister 1 when the balloon is released into the atmosphere. - A fixing
member 71 is fixed to the bottom surface of the second housing chamber S2 (case main body 11). The fixingmember 71 is connected to amovable member 72 via anaxial member 71a. Themovable member 72 rotates about theaxial member 71a. - An
opening 11c is formed in the bottom surface of the second housing chamber S2 (case main body 11). Theopening 11c is positioned below themovable member 72. Adrive pin 81 is disposed inside theopening 11c. Thedrive pin 81 can move in the Z direction (upwardly or downwardly) . An actuator (not shown) is connected to thedrive pin 81. Thedrive pin 81 is configured to move in the Z direction by receiving power from the actuator. - The
movable member 72 is connected to a pair oflinkage members 73 via anaxial member 72a. Specifically, lower ends of the pair oflinkage members 73 are connected to respective both ends of themovable member 72 in the Y direction via theaxial member 72a as shown inFIGS. 3 and4 . - Each of the
linkage members 73 extends in the Z direction. Upper ends of thelinkage members 73 are fixed to aholder 74 viaafixingpin 73a. Theholder 74 is constituted by a pair of sub-holders 74a and 74b, and the sub-holders 74a and 74b are fixed to each other. Moreover, the pair of sub-holders 74a and 74b engage with amovable portion 75a of acoupler 75. Specifically, the pair of sub-holders 74a and 74b are disposed along an outer periphery of themovable portion 75a and interposes themovable portion 75a in the Z direction. Themovable portion 75a of thecoupler 75 is movable in the Z direction relative to a couplermain body 75b. - A lower end of the coupler
main body 75b is provided with amale connecting portion 75c, and an upper end of the couplermain body 75b is provided with afemale connecting portion 75d. Themale connecting portion 75c is connected to ahose 82 by being inserted into one end of thehose 82. The other end of thehose 82 is connected to agas nozzle 83 described later. Amale connecting portion 91a formed in amouthpiece 91 is inserted into thefemale connecting portion 75d. - When the
movable portion 75a of thecoupler 75 is at a connected position (shown inFIG. 9 ), themale connecting portion 91a of themouthpiece 91 is connected to thefemale connecting portion 75d of thecoupler 75. In contrast, themovable portion 75a can move downwardly from the connected position. When themovable portion 75a is moved to a released position located below the connected position, themale connecting portion 91a of themouthpiece 91 can be removed from thefemale connecting portion 75d of thecoupler 75. A mouth of the balloon is fixed to a fixingportion 91b of themouthpiece 91. - Part of the coupler
main body 75b positioned below themovable portion 75a is fixed to asupport member 76. Thesupport member 76 includes a fixingportion 76a and aframe portion 76b. The fixingportion 76a is fixed to the couplermain body 75b. Theframe portion 76b supports the fixingportion 76a and part of theframe portion 76b is fixed to a side surface of the second housing chamber S2 (case main body 11). The provision of thesupport member 76 enables stable support of thecoupler 75. - The
mouthpiece 91 is provided with afastening portion 91c. One end of the rope extending from thefastening portion 41 of the loweringdevice 40 is fixed to thefastening portion 91c. - Operations of the
balloon detaching mechanism 70 will next be described. - Before the release of the balloon, the
male connecting portion 91a of themouthpiece 91 is connected to thefemale connecting portion 75d of thecoupler 75. In addition, thedrive pin 81 is separated from anactuating portion 72b of themovable member 72. - When the
drive pin 81 is moved upwardly, a tip of thedrive pin 81 pushes theactuating portion 72b of themovable member 72 upwardly (direction of an arrow D11 shown inFIG. 9 ). This causes themovable member 72 to rotate about theaxial member 71a. Along with the rotation of themovable member 72, theaxial member 72a moves downwardly (direction of an arrow D12 shown inFIG. 9 ) and thelinkage members 73 move downwardly. Since thelinkage members 73 are fixed to theholder 74, theholder 74 also moves downwardly along with the downward movement of thelinkage members 73. - The
movable portion 75a of thecoupler 75 moves downwardly along with the downward movement of theholder 74. This can cause themovable portion 75a to move from the connected position to the released position, thereby removing themale connecting portion 91a of themouthpiece 91 from thefemale connecting portion 75d of thecoupler 75. When the balloon is inflated by filling the balloon fixed to themouthpiece 91 with a gas which will be described later, themouthpiece 91 moves upwardly (direction of an arrow D13 shown inFIG. 9 ) and is thus separated from thecoupler 75 as the balloon ascends. In this manner, the balloon is detached from thecanister 1. - The
gas nozzle 83 is fixed to the bottom surface of the second housing chamber S2 (case main body 11). Thegas nozzle 83 passes through the bottom surface of the second housing chamber S2 (case main body 11) with anupper end 83a of thegas nozzle 83 being disposed in the second housing chamber S2 and alower end 83b of thegas nozzle 83 being disposed outside the casemain body 11. - The
upper end 83a of thegas nozzle 83 is connected to the other end of thehose 82. Thegas nozzle 83 is thus connected to themale connecting portion 75c of thecoupler 75 via thehose 82. Thelower end 83b of thegas nozzle 83 is connected to a gas cylinder (not shown) via a gas supply pipe (not shown). The gas cylinder contains a gas for inflating the balloon. - The gas contained in the gas cylinder is introduced into the
coupler 75 after moving through the gas supply pipe and then moving through a gas passage formed inside thegas nozzle 83 and thehose 82. Thereafter, the gas moves through a gas passage formed inside thecoupler 75 and a gas passage formed inside themouthpiece 91, and then moves into the balloon. This can inflate the balloon. The gas filled into the balloon is a gas having a specific gravity smaller than that of air. Examples of such a gas that can be employed may include a hydrogen gas and a helium gas. The balloon can be made of an elastic material. - An internal structure of the third housing chamber S3 will be described next. As shown in
FIG. 10 , the third housing chamber S3 houses part of aballoon 92. - A
mouth 92a of theballoon 92 is fixed to the fixingportion 91b of themouthpiece 91. Theballoon 92 is led into the third housing chamber S3 after passing through a space above thesecond partition plate 14. Theballoon 92 is folded in the third housing chamber S3, and atip 92b of theballoon 92 is present at the lowest position in the third housing chamber S3. - Housing the
balloon 92 in the third housing chamber S3 as shown inFIG. 10 facilitates the inflation of theballoon 92 when the gas is filled into theballoon 92. This will be described below. - When the gas is filled into the
balloon 92 from themouthpiece 91, the gas moves upwardly due to its specific gravity smaller than that of air. Thus, a portion of theballoon 92 adjacent to themouthpiece 91 is inflated by the gas filling. If the gas filling continues, theballoon 92 continues to inflate above themouthpiece 91 as shown inFIG. 11 . The inflation of theballoon 92 causes a portion (uninflated portion) of theballoon 92 housed in the third housing chamber S3 to lift upwardly. In this manner, the uninflated portion of theballoon 92 can smoothly move to the outside of the third housing chamber S3. - If the
balloon 92 started to inflate from a portion located in a lower part of the third housing chamber S3, the inflated portion would be in tightly contact with an inner wall surface of the third housing chamber S3. In this case, frictional resistance between the inflated portion of theballoon 92 and the third housing chamber S3 prevents theballoon 92 from ascending. Moreover, the friction between theballoon 92 and the third housing chamber S3 may damage theballoon 92. When theballoon 92 starts to inflate from a portion located in an upper part of the third housing chamber S3 as in this embodiment, the inflated portion can be prevented from being in tightly contact with the inner wall surface of the third housing chamber S3. Theballoon 92 can thus ascend smoothly. - At the same time, the second housing chamber S2 and the third housing chamber S3 are separated from each other in this embodiment. The
balloon 92 can thus be prevented from interfering with the members (such as the cover opening andclosing mechanism 60 and the balloon detaching mechanism 70) disposed in the second housing chamber S2 when theballoon 92 is inflated. - In this embodiment, disposing the
balloon detaching mechanism 70 in the second housing chamber S2 allows theballoon 92 to inflate above the second housing chamber S2 as shown inFIG. 11 . Moreover, housing theradiosonde 20 in the first housing chamber S1, which is adjacent to the second housing chamber S2, allows theradiosonde 20 and theballoon 92 to ascend smoothly with theradiosonde 20 being close to theballoon 92. This will be specifically described below. - A case where the
balloon detaching mechanism 70 is disposed in the third housing chamber S3 and theballoon 92 is housed in the second housing chamber S2 will now be discussed. In this case, theballoon 92 inflates above the third housing chamber S3 and moves toward directly above the third housing chamber S3. Theradiosonde 20 is connected to theballoon 92 by arope 93. When theballoon 92 ascends in the direction of an arrow D21 as shown inFIG. 12 , theradiosonde 20 housed in the first housing chamber S1 is pulled toward the third housing chamber S3 as indicated by an arrow D22, making it difficult to move upwardly. Thus, theradiosonde 20 cannot ascend smoothly. - In the configuration shown in
FIG. 12 , theradiosonde 20 may be pulled in the direction of the arrow D22 until just before theradiosonde 20 is moved to the outside of the first housing chamber S1. In such a case, theradiosonde 20 swings by receiving acting force in the direction of the arrow D22 after theradiosonde 20 is moved to the outside of the first housing chamber S1. The swing of theradiosonde 20 leads to the swing of theballoon 92. Thus, theballoon 92 and theradiosonde 20 cannot ascend in a stable manner. - In this embodiment, the
balloon 92 inflates above the second housing chamber S2 and theballoon 92 moves toward directly above the second housing chamber S2. Since theradiosonde 20 is housed in the first housing chamber S1 adjacent to the second housing chamber S2, theradiosonde 20 is more likely to be pulled upwardly as indicated by an arrow D32 when theballoon 92 ascends in the direction of an arrow D31 as shown inFIG. 13 . Theradiosonde 20 can thus ascend smoothly. - Smooth ascending of the
radiosonde 20 can prevent theradiosonde 20 having moved to the outside of the first housing chamber S1 from swinging as in the configuration shown inFIG. 12 . This facilitates stable ascending of theballoon 92 and theradiosonde 20. - A balloon-launching device configured to release the
balloon 92 can be constituted by one ormore canisters 1. When a plurality ofcanisters 1 are employed, acanister module 100 can be constituted as shown inFIGS. 14 and 15. FIG. 14 is a perspective view of thecanister module 100, andFIG. 15 is a side view of thecanister module 100. - In the
canister module 100, a plurality ofcanisters 1 are arranged in a matrix within a horizontal plane. Here, the number of thecanisters 1 can be appropriately selected. Although the plurality ofcanisters 1 are arranged in a matrix in thecanister module 100 shown inFIG. 14 , the arrangement of the plurality ofcanisters 1 is not limited thereto. In other words, it is only required to arrange the plurality ofcanisters 1 within a horizontal plane and the arrangement of the plurality ofcanisters 1 can be determined as appropriate. - The
canister module 100 includes acanister holder 200 configured to hold the plurality ofcanisters 1. Thecanister holder 200 includes: a fixingplate 210 to which thecanisters 1 are fixed; aframe 220 disposed below the fixingplate 210; and abase 230. -
Openings 211 for thecanisters 1 to pass through are formed in the fixingplate 210. In this embodiment, theopenings 211 are formed corresponding to the number of thecanisters 1. Note that the plurality ofcanisters 1 may be disposed inside asingle opening 211. - The
frame 220 is provided between the fixingplate 210 and thebase 230. Thecanisters 1 are disposed at positions above and distant from thebase 230.Gas supply valves 300 andsupply pipes 400 are disposed on thebase 230.Gas nozzles 310 are provided on upper end faces of thegas supply valves 300, and a hose (not shown) is connected to thegas nozzle 310 and thegas nozzle 83 of thecanister 1. Thegas supply valve 300 is configured to control the amount of the gas supplied to thegas nozzle 83 of thecanister 1. Thesupply pipe 400 is used to supply a fluid (air or oil) to theactuator 61 of thecanister 1. Thesupply pipe 400 is connected to theactuator 61 of thecanister 1. - The use of the
canister module 100 allows a plurality ofballoons 92 to be released from a plurality ofcanisters 1. Moreover, the plurality ofcanisters 1 can be arranged together in thecanister module 100. Thus, the size of the balloon-launching device can be reduced as compared to a case where a plurality of balloons are arranged on an annular turntable as in the conventional technique (Patent Literature 1). In the annular turntable, a central portion of the turntable is left as dead space. However, in thecanister module 100, the plurality ofcanisters 1 can be arranged adjacent to one another, thus being less likely to create dead space. Therefore, thecanister module 100 can be downsized in this embodiment. -
- 1
- canister
- 10
- case
- 20
- radiosonde
- 70
- balloon detaching mechanism
- 83
- gas nozzle
- 92
- balloon
- S1
- first housing chamber
- S2
- second housing chamber
- S3
- third housing chamber
Claims (7)
- A canister (1) configured to house a balloon and a radiosonde (20) to be released into the atmosphere, the canister (1) comprising:a case (10);a balloon detaching mechanism (70) connected to the balloon, and configured to detach the balloon when the balloon is released; anda gas passage configured to introduce a gas into the balloon,characterized in that:the case (1) includes a first housing chamber (S1), a second housing chamber (S2), and a third housing chamber (S3) arranged side by side in a horizontal direction, the first housing chamber (S1), the second housing chamber (S2), and the third housing chamber (S3) being in communication with one another in an upper part of the case (10);the balloon detaching mechanism (70) is provided in the second housing chamber (S2);the gas passage is provided in the second housing chamber (S2) ;the second housing chamber (S2) is disposed between the first housing chamber (S1) and the third housing chamber (S3),the first housing chamber (S1) houses the radiosonde (20) connected to the balloon via a rope, andthe third housing chamber (S3) houses part of the balloon connected to the balloon detaching mechanism (70).
- The canister (1) according to claim 1, wherein the part of the balloon is housed from an upper part of the third housing chamber (S3) toward a lower part thereof in a state where the part of the balloon is folded in a vertical direction.
- The canister (1) according to claim 1 or 2, wherein the gas passage includes a coupler (75) that can be connected to a mouthpiece (91) provided in a mouth of the balloon and includes a movable member (72) configured to move between a connected position for connecting the mouthpiece (91) to the coupler (75) and a released position for releasing connection between the mouthpiece (91) and the coupler (75), and
the balloon detaching mechanism (70) includes a linkage member (73) connected to the movable member (72) of the coupler (75), the linkage member (73) moving the movable member (72) between the connected position and the released position. - The canister (1) according to any one of claims 1 to 3, wherein the case (10) includes:a case main body (11) for forming the first housing chamber (S1), the second housing chamber (S2), and the third housing chamber (S3); anda cover (12) for opening and closing an opening formed in an upper part of the case main body (11).
- The canister (1) according to claim 4, comprising a cover opening and closing mechanism (60) for opening and closing the cover (12), the cover opening and closing mechanism (60) being housed in the second housing chamber (S2),
wherein the cover opening and closing mechanism (60) includes:a rod (62) connected to the cover (12); andan actuator (61) configured to move the rod (62) in the vertical direction. - The canister (1) according to any one of claims 1 to 5, wherein the case (10) include a guide section extending in the vertical direction in an inner wall surface of the first housing chamber (S1), the guide section guiding ascending of the radiosonde (20) .
- A canister module (100) comprising a plurality of the canister (1) according to any one of claims 1 to 6, wherein the plurality of the canisters are arranged within a horizontal plane.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2016/000239 WO2017125962A1 (en) | 2016-01-19 | 2016-01-19 | Canister and canister module |
Publications (3)
Publication Number | Publication Date |
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EP3407095A1 EP3407095A1 (en) | 2018-11-28 |
EP3407095A4 EP3407095A4 (en) | 2019-10-16 |
EP3407095B1 true EP3407095B1 (en) | 2020-07-29 |
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Application Number | Title | Priority Date | Filing Date |
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EP16838083.0A Active EP3407095B1 (en) | 2016-01-19 | 2016-01-19 | Canister and canister module |
Country Status (4)
Country | Link |
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US (1) | US10132960B2 (en) |
EP (1) | EP3407095B1 (en) |
JP (1) | JP6276466B2 (en) |
WO (1) | WO2017125962A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2017125963A1 (en) * | 2016-01-19 | 2017-07-27 | 明星電気株式会社 | Balloon release device |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4899583A (en) * | 1988-12-02 | 1990-02-13 | Aeromet Inc. | Atmospheric sounding apparatus |
US5884862A (en) * | 1996-08-02 | 1999-03-23 | Visidyne, Inc. | Automatic radiosonde balloon launching module |
US5850988A (en) | 1996-08-20 | 1998-12-22 | Visidyne, Inc. | Radiosonde balloon launching system |
US7275496B2 (en) * | 2003-04-11 | 2007-10-02 | Ada Technology, Inc. | Balloonsonde launcher |
JP2005180987A (en) | 2003-12-17 | 2005-07-07 | Tootekkusu Kk | Balloon-releasing device and balloon-releasing method |
JP3843436B2 (en) | 2004-07-29 | 2006-11-08 | 気象庁長官 | Launching device |
US7886682B1 (en) * | 2006-11-20 | 2011-02-15 | Twyla D Germain | Multifunctional emergency kit and associated method |
FI124146B (en) * | 2008-07-02 | 2014-03-31 | Vaisala Oyj | Automatic spherical launcher and method for automatically triggering a weather observation ball |
CN106133557B (en) * | 2014-02-06 | 2019-05-10 | 维萨拉公司 | Automate balloon emission system and launching technique |
-
2016
- 2016-01-19 US US15/507,562 patent/US10132960B2/en active Active
- 2016-01-19 EP EP16838083.0A patent/EP3407095B1/en active Active
- 2016-01-19 JP JP2017511794A patent/JP6276466B2/en active Active
- 2016-01-19 WO PCT/JP2016/000239 patent/WO2017125962A1/en active Application Filing
Non-Patent Citations (1)
Title |
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None * |
Also Published As
Publication number | Publication date |
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JP6276466B2 (en) | 2018-02-07 |
WO2017125962A1 (en) | 2017-07-27 |
EP3407095A1 (en) | 2018-11-28 |
JPWO2017125962A1 (en) | 2018-01-25 |
US10132960B2 (en) | 2018-11-20 |
EP3407095A4 (en) | 2019-10-16 |
US20180239056A1 (en) | 2018-08-23 |
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